Exhibit 23
Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the Registration Statement of ONEOK, Inc., on Form S-8 (File No. 333-121769) of our report dated June 27, 2011, on our audit of the financial statements and financial statement schedule of the Profit Sharing Plan as of December 31, 2010 and 2009, and for the year ended December 31, 2010, which report is included in this Annual Report on Form 11-K.
/s/ BKD, LLP
Tulsa, Oklahoma
June 27, 2011